Point Forecast Matrices
Issued by NWS Tiyan, Guam
Issued by NWS Tiyan, Guam
208 FOMY50 PGUM 170540 PFMGUM POINT FORECAST MATRICES NATIONAL WEATHER SERVICE TIYAN GU 338 PM CHST TUE JUN 17 2025 GUZ001-171800- GUAM INTERNATIONAL AIRPORT-TIYAN GU 13.48N 144.79E ELEV. 248 FT 338 PM CHST TUE JUN 17 2025 DATE TUE 06/17/25 WED 06/18/25 THU 06/19/25 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 88 77 88 77 TEMP 87 85 82 79 78 78 84 88 87 85 82 79 78 78 84 88 87 85 82 79 78 DEWPT 77 77 78 78 78 78 78 78 78 78 79 79 78 77 77 77 77 77 77 77 77 RH 72 77 88 97100100 82 72 75 80 91100100 97 80 70 72 77 85 94 97 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 6 8 8 8 6 5 11 12 13 13 13 13 13 13 13 12 11 12 12 11 11 CLOUDS B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 30 20 20 20 QPF 12HR 0.08 0.04 0.04 0.06 0.08 RAIN SHWRS C C C C C S S S S S S S S S S S S S S S S TSTMS S S S S S HEAT INDEX 99 96 91 84 94101100 97 92 85 94101100 96 91 84 MAX HEAT 100 98 89 94 101 99 90 94 101 99 89 DATE 06/20/25 SAT 06/21/25 SUN 06/22/25 MON 06/23/25 TUE 06/24/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 88 77 88 77 88 79 89 79 88 TEMP 84 87 82 78 84 87 82 78 84 88 83 80 85 88 84 80 84 87 DEWPT 77 77 77 77 76 76 76 76 76 76 76 76 76 76 76 76 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN LT LT LT LT LT GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ001-171800- ROTA INTERNATIONAL AIRPORT-SINAPALU MP 14.17N 145.23E ELEV. 592 FT 338 PM CHST TUE JUN 17 2025 DATE TUE 06/17/25 WED 06/18/25 THU 06/19/25 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 76 87 76 87 76 TEMP 86 84 81 78 77 77 82 86 86 84 81 78 77 77 83 87 86 84 81 78 77 DEWPT 77 77 77 78 78 77 78 78 78 78 78 78 76 76 76 76 76 76 76 76 76 RH 75 80 88100103100 88 77 77 82 91100 97 97 80 70 72 77 85 94 97 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 6 6 8 8 6 11 13 13 14 13 14 13 13 13 14 14 13 12 13 11 11 CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 30 20 20 20 20 QPF 12HR 0.07 0.04 0.04 0.05 0.07 RAIN SHWRS C S S S S S S S S S S S S S S S S S S S S TSTMS S HEAT INDEX 96 93 88 92 99 98 94 90 90 97 96 93 87 MAX HEAT 97 96 86 92 99 97 86 90 97 95 86 DATE 06/20/25 SAT 06/21/25 SUN 06/22/25 MON 06/23/25 TUE 06/24/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 87 76 87 76 87 79 87 79 87 TEMP 83 86 81 77 83 86 81 77 83 86 83 79 84 87 83 79 84 87 DEWPT 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN GN GN GN LT LT LT GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ002-171800- TINIAN-SAN JOSE MP 14.97N 145.63E ELEV. 74 FT 338 PM CHST TUE JUN 17 2025 DATE TUE 06/17/25 WED 06/18/25 THU 06/19/25 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 88 77 89 77 TEMP 88 86 82 79 78 78 84 88 87 85 82 79 78 78 84 89 88 86 83 79 78 DEWPT 77 77 78 78 78 78 78 78 78 78 78 78 78 77 77 77 77 77 77 77 77 RH 70 75 88 97100100 82 72 75 80 88 97100 97 80 68 70 75 82 94 97 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 6 6 6 6 5 10 11 12 12 12 13 12 13 13 13 12 12 11 11 11 11 CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.06 0.04 0.03 0.05 0.08 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 100 96 91 85 94101100 96 92 84 94102101 97 91 84 MAX HEAT 100 99 89 94 101 99 90 94 102 100 89 DATE 06/20/25 SAT 06/21/25 SUN 06/22/25 MON 06/23/25 TUE 06/24/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 89 77 89 77 89 79 89 79 89 TEMP 84 88 83 78 84 88 83 78 84 88 83 79 85 88 84 80 85 88 DEWPT 77 77 77 77 76 76 76 76 76 76 76 76 76 76 76 76 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN LT LT LT LT LT LT GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$ MPZ003-171800- SAIPAN INTERNATIONAL AIRPORT-OBYAN MP 15.11N 145.72E ELEV. 215 FT 338 PM CHST TUE JUN 17 2025 DATE TUE 06/17/25 WED 06/18/25 THU 06/19/25 FRI CHST3HRLY 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 UTC 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MIN/MAX 77 88 77 89 77 TEMP 88 85 82 79 78 78 83 88 87 85 82 79 78 78 84 89 88 86 83 80 78 DEWPT 77 77 78 78 78 78 78 78 78 78 78 78 78 77 77 77 77 77 77 77 77 RH 70 77 88 97100100 85 72 75 80 88 97100 97 80 68 70 75 82 91 97 WIND DIR E E E E E E E E E E E E E E E E E E E E E WIND SPD 6 6 6 6 5 9 12 13 13 12 13 12 13 12 13 13 12 11 11 11 10 CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 20 20 20 20 20 QPF 12HR 0.06 0.04 0.03 0.05 0.09 RAIN SHWRS S S S S S S S S S S S S S S S S S S S S S HEAT INDEX 100 96 91 84 94101100 96 91 84 94102101 97 91 85 MAX HEAT 100 99 89 94 101 99 89 94 102 100 89 DATE 06/20/25 SAT 06/21/25 SUN 06/22/25 MON 06/23/25 TUE 06/24/25 CHST6HRLY 10 16 22 04 10 16 22 04 10 16 22 04 10 16 22 04 10 16 UTC 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 MAX/MIN 89 77 89 77 89 79 89 79 89 TEMP 84 88 83 78 84 88 83 78 84 88 83 79 85 88 84 80 85 88 DEWPT 77 77 77 77 76 76 76 76 76 76 76 76 76 76 76 76 76 76 PWIND DIR E E E E E E E E E WIND CHAR GN GN LT LT LT LT LT LT GN AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 20 20 20 20 20 20 20 20 20 RAIN SHWRS S S S S S S S S S S S S S S S S S S $$